Chevron project page 2

Next we will mount this ring to the lathe as pictured below. The large disc is a piece of scrap plywood. In this case I added another piece of wood to the disc as it was getting a bit thin. Just turn a small recess that matches the outside diameter of your ring. I use CA (cyanoacrylate) glue for a temporary bond because I can continue turning in a few minutes. I've started turning the ring to make it round and have trued up the face to accept the next segmented ring. At this point we will keep adding rings working towards the bottom of the piece.

 

This next photo shows the next few segmented rings ready to be glued on. You need to flatten the rings before gluing them on. I use a performax but if you don't have one you can use a disc sander. If you don't have that you can use a sanding disc glued to something flat like this piece of countertop cutout. It takes a bit of work to do it this way but it does work.

 

The next picture shows the first two segmented rings glued to the chevron ring. When these are glued on it's important that you stagger the joints. If the joints line up not only would the piece lose some of it's strength but it would be unattractive. The disc closest to the tailstock is only for supplying even pressure. I don't normally use the lathe as a clamp when I have many rings to glue on but in this case I had plenty of time while I was writing this article.

 

This next photo shows the balance of the rings glued on including the bottom. Notice how the joints are lined up every other row.

 

 Here I've rough turned the piece and trued the bottom ready to be reversed. To begin the reversing process you will need a faceplate with a waste block attatched. Tru the wasteblock. This is VERY important. The success of a good reversal all depends on how good a job you do truing the waste block and the bottom of the turning. I use an adaptor that screws into the faceplate that has a morse taper that fits into the tailstock. Heres a picture of it. Next add ca glue to the waste block and accelerator to the bottom of the turning. Install the faceplate in the tailstock and slide it up to the bottom of the turning. The bond only takes a few seconds. If you don't have an adaptor you can reverse by turning a recess in the waste block and gluing it to the bottom of the turning. If your doing the latter you can part the turning from the large disc. Just be carefull to leave enough of the pattern so it will be centered. Again the better job you do with the recess the better the reversal.

Chevron project page-3

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